Radio and the Internet Have Which of the Following in Common

Multiple Choice

Radio and the Internet have which of the following in common?

A) They both were initially developed as tools for machine-assisted interpersonal communication.
B) They both were initially developed as media of mass communication.
C) They both are owned and operated by the government in the United States rather than by private industry.
D) They replaced other forms of mass communication,which were then driven out of business.